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- W2039305763 abstract "Continuous Transverse Stub (CTS) technology is suitable to use with coaxial lines to produce effective microwave antenna structures that radiate omnidirectionally, with high efficiency, low reflection, and useful radiation patterns. In this paper, a new coaxial CTS antenna structure working at double frequency is presented, which reduces the size of antenna without performances changing much. Coaxial CTS antenna consists of several stub elements, and each stub element includes cascade sections of standard coaxial transmission line and open-ended radiating stubs. The proposed antenna consists of five open-ended radiating stubs. Two of the stubs are designed as the low frequency array to operate at 2.45GH, while the other three stubs are designed as the high frequency array to operate at 12GHz. The basic theory and design method are analyzed, and simulation using CST Microwave Studior commercial software is employed to optimize the antenna’s properties. Simulation results shows that the radiant efficiency at 2.45 GHz got to be 78.9%, while the −10 dB bandwidth (S11 < −10 dB) was 60 MHz. And at 12 GHz, the bandwidth was about 10% which was 1.2 GHz, and within the bandwidth the radiant efficiency was about 98%. At the upper and lower frequency, the radiating patterns in horizon plate were omnidirectional, the gains were 2.8 dB and 4.6 dB, respectively. The proposed coaxial CTS antenna reduces 40% in size, while the radiation efficiency does not become worse obviously. These simple and low cost coaxial CTS structures could be adapted for base station applications in wireless communication, for satellite communication systems, and for personal communication systems." @default.
- W2039305763 created "2016-06-24" @default.
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- W2039305763 date "2007-06-01" @default.
- W2039305763 modified "2023-10-16" @default.
- W2039305763 title "A Design of double-frequency coaxial CTS antenna" @default.
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- W2039305763 doi "https://doi.org/10.1109/aps.2007.4395663" @default.
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